Cheryl pays $69 for 6 dvds.

how much would she pay for 4 dvds?

a. $44
b. $46
c. $52
d. $92

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

Construct the graph that models the given situation

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?